CN218949287U

CN218949287U - Ball head thread anti-loosening structure in automobile steering gear

Info

Publication number: CN218949287U
Application number: CN202223395064.5U
Authority: CN
Inventors: 李珍芳
Original assignee: Anhui Tianyu Automobile Parts Manufacturing Co ltd
Current assignee: Anhui Tianyu Automobile Parts Manufacturing Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-02
Anticipated expiration: 2032-12-19

Abstract

The utility model provides an anti-loosening structure of an internal ball thread of an automobile steering gear, which relates to the technical field of automobile steering gears and comprises a first fixing component and a locking mechanism, wherein a shell component which is tightly attached is arranged on the inner side of the first fixing component, a second fixing component assembled by bolts is arranged at one end of the shell component, and a steering adjusting mechanism is arranged on the side of the shell component; the utility model mainly utilizes the locking mechanism which is sleeved and connected on the inner side of one end of the shell member, and the rotating motor outputs power to drive the threaded screw rod to rotate, so that the threaded screw rod drives the lifting block to move downwards.

Description

Ball head thread anti-loosening structure in automobile steering gear

Technical Field

The utility model relates to the technical field of automobile steering gears, in particular to an anti-loosening structure for ball screw threads in an automobile steering gear.

Background

The steering gear is used for properly changing the steering torque and the steering angle from the steering wheel and outputting the steering torque and the steering angle to the steering pull rod mechanism so as to steer the automobile, so that the steering gear is essentially a speed reduction transmission device, generally comprises two-stage speed reduction transmission pairs, and has various types, such as a rack-and-pinion type, a recirculating ball type, a worm crank finger type, a power steering gear and the like.

When the existing internal ball screw thread anti-loosening structure is used, a gear transmission mode or a worm crank transmission mode is generally adopted, so that power is used for adjusting the steering knuckle of the steering gear in the direction, and as disclosed in application number CN201711147612.3, the structure of the internal ball screw thread anti-loosening structure for the automobile steering gear comprises a screw, a bracket, a dust cover, a steering shaft, a fixing plate, an adjusting nut, a steering rack, a stop block, a stop cover, a sleeve, a flange and an anti-loosening device; however, in the above technology, after the gear head and the gear are directly attached to the steering rack under the action of extension through screw thread transmission, because the gear head and the gear are in direct contact, loosening caused by port abrasion easily occurs after long-time use, so the utility model provides an anti-loosening structure for the ball head screw thread in the automobile steering gear to solve the problems in the prior art.

Disclosure of Invention

According to the anti-loosening structure of the internal ball screw of the automobile steering gear, which is mainly characterized in that the locking mechanism which is connected in a sleeved mode is arranged on the inner side of one end of a shell member, and the rotating motor outputs power to drive the threaded screw rod to rotate, so that the threaded screw rod drives the lifting block to move downwards.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a ball thread locking structure in auto steering ware, includes first fixed subassembly and locking mechanical system, the interior avris of first fixed subassembly is provided with the casing component of closely laminating, and the one end of casing component is provided with the second fixed subassembly of bolt assembly, the avris of casing component is provided with turns to adjustment mechanism, be provided with the locking mechanical system who cup joints the connection on the casing component;

the locking mechanism comprises a side shell, a bolt cover, a driving motor, a screw rod group, a threaded sliding block and a plugging strip, wherein the side shell is arranged on the shell member, the bolt cover is arranged on the rear side of the side shell, the screw rod group connected with the output end of the driving motor is arranged on the inner side of the side shell, the threaded sliding block in threaded connection is arranged on the outer side of the screw rod group, and the plugging strip is arranged below one end of the threaded sliding block.

As a further technical scheme, the plug strip is in a bar-shaped structure, and the threaded sliding block and the plug strip are in a fixed connection structure.

As a further technical scheme, the first fixing assembly comprises a fixing sleeve and a bolt connecting plate, wherein the bolt connecting plate is arranged on two sides of the fixing sleeve.

As a further technical scheme, the shell member includes power tube shell, bolt disc, first bolt axle sleeve, transmission tube shell and second bolt axle sleeve, the power tube shell sets up the interior avris of fixed cover, the below of power tube shell is provided with the bolt disc, the transmission tube shell has been cup jointed through first bolt axle sleeve bolt to the top of power tube shell, the top of transmission tube shell is provided with the second bolt axle sleeve that the bolt cup jointed.

As a further technical scheme, the second fixed subassembly includes bolted connection seat, screw thread cabin, screwed joint, fixed plate, articulated base and jack groove, screw thread cabin passes through bolted connection seat bolted connection in the below of bolt dish, the screw thread cabin has the fixed plate through screwed joint bolted connection, the below inboard of fixed plate has the jack groove through articulated base hinged joint.

As a further technical scheme, turn to adjustment mechanism includes cup joints cabin, actuating lever, driving gear, driven gear, lower rotary rod, goes up rotary rod and knuckle head, cup joints the cabin setting and is in the one end inboard of power tube shell, the inner of cup joints the cabin is provided with the driving gear of connecting the actuating lever output, just the output meshing of driving gear is connected with driven gear, driven gear's interior inboard is provided with down the rotary rod, just the output of lower rotary rod is connected with the rotary rod, the one end of going up the rotary rod is provided with hinged joint's knuckle head, driven gear possesses porous structure.

The beneficial effects of the utility model are as follows:

the utility model mainly utilizes the locking mechanism which is sleeved and connected on the inner side of one end of the shell member, and the rotating motor outputs power to drive the threaded screw rod to rotate, so that the threaded screw rod drives the lifting block to move downwards.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic bottom perspective view of the present utility model;

FIG. 3 is a schematic cross-sectional perspective view of the present utility model;

FIG. 4 is a schematic perspective view of a second fixing assembly according to the present utility model;

fig. 5 is a schematic perspective view of a locking mechanism according to the present utility model.

Wherein: 1. a first fixing assembly; 101. a fixed sleeve; 102. a bolt connecting plate; 2. a housing member; 201. a power tube shell; 202. a bolt disc; 203. a first bolt bushing; 204. a transmission tube shell; 205. a second bolt bushing; 3. a second fixing assembly; 301. a bolt connecting seat; 302. a screw cabin; 303. a threaded joint; 304. a fixing plate; 305. a hinge base; 306. a plug-in groove; 4. a steering adjustment mechanism; 401. a sleeving cabin; 402. a drive handle; 403. a drive gear; 404. a driven gear; 405. a lower rotating rod; 406. a rotating rod is arranged on the upper part; 407. a knuckle head; 5. a locking mechanism; 501. a side case; 502. a bolt cover; 503. a driving motor; 504. a screw rod group; 505. a thread slider; 506. a plug strip.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to fig. 1-5, the embodiment provides an anti-loosening structure of an internal ball screw thread of an automobile steering gear, which comprises a first fixing component 1 and a locking mechanism 5, wherein the inner side of the first fixing component 1 is provided with a tightly attached shell component 2, one end of the shell component 2 is provided with a second fixing component 3 assembled by bolts, the side of the shell component 2 is provided with a steering adjusting mechanism 4, and the shell component 2 is provided with the locking mechanism 5 which is connected in a sleeved mode;

the locking mechanism 5 comprises a side housing 501, a bolt housing 502, a driving motor 503, a screw rod set 504, a threaded slider 505 and a plug strip 506, wherein the side housing 501 is arranged on the housing member 2, the bolt housing 502 is arranged at the rear side of the side housing 501, the screw rod set 504 connected with the output end of the driving motor 503 is arranged at the inner side of the side housing 501, the threaded slider 505 in threaded connection is arranged at the outer side of the screw rod set 504, and the plug strip 506 is arranged below one end of the threaded slider 505.

The plug strip 506 has a bar-shaped structure, and the threaded slider 505 and the plug strip 506 are fixedly connected.

In this embodiment, when the locking device is needed to prevent loosening, the driving motor 503 is started to output power to drive the output end of the driving motor 503 to operate, so that the output end of the driving motor 503 drives the screw rod set 504 to operate, so that the screw rod set 504 drives the threaded slider 505 to operate downward, and after the threaded slider 505 operates downward, the inserting strip 506 is inserted into the hole of the driven gear 404 on the steering adjustment mechanism 4, so that the driven gear 404 rotates now, and the loosening preventing effect is achieved.

The first fixing assembly 1 comprises a fixing sleeve 101 and a bolt connecting plate 102, and the bolt connecting plate 102 is arranged on two sides of the fixing sleeve 101.

In this embodiment, the device is bolted to the mounting position of the automobile by bolting plates 102 on both sides of the fixing sleeve 101.

The shell member 2 comprises a power tube shell 201, a bolt disc 202, a first bolt shaft sleeve 203, a transmission tube shell 204 and a second bolt shaft sleeve 205, wherein the power tube shell 201 is arranged on the inner side of the fixed sleeve 101, the bolt disc 202 is arranged below the power tube shell 201, the transmission tube shell 204 is in bolt sleeve connection with the power tube shell 201 through the first bolt shaft sleeve 203, and the second bolt shaft sleeve 205 in bolt sleeve connection with the transmission tube shell 204 is arranged above the power tube shell 201.

In this embodiment, the power tube shell 201 is tightly attached to the inner side of the fixing sleeve 101, the upper portion of the power tube shell 201 is connected with the upper transmission tube shell 204 through the first bolt sleeve 203, and the steering adjusting mechanism 4 is sleeved and connected with the first bolt sleeve 203.

The second fixing assembly 3 comprises a bolting seat 301, a threaded cabin 302, a threaded joint 303, a fixing plate 304, a hinge base 305 and a plugging slot 306, wherein the threaded cabin 302 is connected below the bolt disc 202 through the bolting seat 301 in a bolt manner, the threaded cabin 302 is connected with the fixing plate 304 through the threaded joint 303 in a bolt manner, and the inner side below the fixing plate 304 is connected with the plugging slot 306 through the hinge base 305 in a hinge manner.

In this embodiment, after the housing member 2 and the steering adjustment mechanism 4 are mounted, the upper bolt connection seat 301 is connected by the bolt disc 202 under the power tube shell 201, the lower part of the bolt connection seat 301 is connected by the screw thread of the screw thread cabin 302 to the upper threaded joint 303, so that the fixing effect is achieved by the bolt connection seat 301 and the fixing plate 304 again in a bolt connection manner, and the hinge base 305 on the inner side under the fixing plate 304 is hinged to the upper inserting groove 306 to be inserted into the mounting position of the automobile.

The steering adjustment mechanism 4 comprises a sleeving cabin 401, a driving handle 402, a driving gear 403, a driven gear 404, a lower rotating rod 405, an upper rotating rod 406 and a knuckle head 407, wherein the sleeving cabin 401 is arranged on the inner side of one end of the power tube shell 201, the driving gear 403 connected with the output end of the driving handle 402 is arranged at the inner end of the sleeving cabin 401, the driven gear 404 is connected with the output end of the driving gear 403 in a meshed mode, the lower rotating rod 405 is arranged on the inner side of the driven gear 404, the output end of the lower rotating rod 405 is connected with the upper rotating rod 406, the knuckle head 407 in hinged connection is arranged at one end of the upper rotating rod 406, and the driven gear 404 is of a porous structure.

In this embodiment, when the steering is needed, the driving handle 402 is adopted to output power to drive the output end of the driving handle 402 to drive the driving gear 403 to rotate, so that the driving gear 403 rotates to drive the driven gear 404 to rotate, and thus the driven gear 404 rotates to drive the lower rotating rod 405.

The working principle of the anti-loosening structure of the ball head thread in the automobile steering gear is as follows: firstly, the equipment is fixed at the installation position of an automobile through the bolt connecting plates 102 on two sides of the fixing sleeve 101, then the power tube shell 201 is tightly adhered to the inner side of the fixing sleeve 101, the upper part of the power tube shell 201 is connected with the upper transmission tube shell 204 through the first bolt shaft sleeve 203 by bolts, the steering adjusting mechanism 4 is sleeved and connected with the through connection under the action of the power tube shell 201 and the first bolt shaft sleeve 203, after the installation of the shell component 2 and the steering adjusting mechanism 4 is completed, the upper bolt connecting seat 301 is connected with the bolt plate 202 below the power tube shell 201 by bolts, the lower part of the bolt connecting seat 301 is connected with the upper threaded joint 303 by threads through the threaded cabin 302, in this way, the upper part of the power tube shell 201 is connected with the fixing plate 304 by bolts again, the upper inserting groove 306 is connected with the hinge base 305 on the inner side below the fixing plate 304 by hinges, the automobile steering device is inserted into the installation position of an automobile, when the automobile is required to steer, the driving handle 402 is adopted to output power to drive the output end of the driving handle 402 to drive the driving gear 403 to rotate, the driving gear 403 is driven to rotate to drive the driven gear 404 to rotate, thus the driven gear 404 rotates to drive the lower rotating rod 405, the lower rotating rod 405 and the upper rotating rod 406 are sleeved with bearings, the lower rotating rod 405 can drive the upper rotating rod 406 to achieve the rotating effect after rotating, the upper rotating rod 406 drives the knuckle head 407 to steer when rotating, thereby realizing the steering adjustment effect, then when the locking equipment is required to prevent loosening, the driving motor 503 is started to output power to drive the output end of the driving motor 503 to operate, the output end of the driving motor 503 is driven to drive the screw rod group 504 to operate, the screw rod group 504 is driven to drive the threaded slider 505 to operate downwards, after the screw slider 505 runs downwards, the inserting strip 506 is inserted into the hole of the driven gear 404 on the steering adjusting mechanism 4, so that the driven gear 404 rotates now, and the effect of preventing loosening is achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bulb screw thread locking structure in car steering gear, includes first fixed subassembly (1) and locking mechanical system (5), its characterized in that: the inner side of the first fixing component (1) is provided with a tightly attached shell component (2), one end of the shell component (2) is provided with a second fixing component (3) assembled by bolts, the side of the shell component (2) is provided with a steering adjusting mechanism (4), and the shell component (2) is provided with a locking mechanism (5) which is connected in a sleeved mode;

the locking mechanism (5) comprises a side shell (501), a bolt cover (502), a driving motor (503), a screw rod group (504), a threaded slider (505) and a plug strip (506), wherein the side shell (501) is arranged on the shell member (2), the bolt cover (502) is arranged on the rear side of the side shell (501), the screw rod group (504) connected with the output end of the driving motor (503) is arranged on the inner side of the side shell (501), the threaded slider (505) in threaded connection is arranged on the outer side of the screw rod group (504), and the plug strip (506) is arranged below one end of the threaded slider (505).

2. The anti-loosening structure for internal ball threads of an automobile steering gear according to claim 1, wherein: the plug strip (506) is in a strip rod-shaped structure, and the threaded slider (505) and the plug strip (506) are of a fixed connection structure.

3. The anti-loosening structure for internal ball threads of an automobile steering gear according to claim 1, wherein: the first fixing assembly (1) comprises a fixing sleeve (101) and a bolt connecting plate (102), wherein the bolt connecting plate (102) is arranged on two sides of the fixing sleeve (101).

4. The anti-loosening structure for the internal ball screw thread of the automobile steering gear according to claim 3, wherein: the shell member (2) comprises a power tube shell (201), a bolt disc (202), a first bolt shaft sleeve (203), a transmission tube shell (204) and a second bolt shaft sleeve (205), wherein the power tube shell (201) is arranged on the inner side of the fixed sleeve (101), the bolt disc (202) is arranged below the power tube shell (201), the transmission tube shell (204) is sleeved above the power tube shell (201) through the first bolt shaft sleeve (203) in a bolt manner, and the second bolt shaft sleeve (205) is arranged above the transmission tube shell (204) in a bolt manner.

5. The anti-loosening structure for the internal ball screw thread of the automobile steering gear according to claim 4, wherein: the second fixing assembly (3) comprises a bolt connecting seat (301), a threaded cabin (302), a threaded connector (303), a fixing plate (304), a hinge base (305) and a plug-in groove (306), wherein the threaded cabin (302) is connected below the bolt disc (202) through the bolt connecting seat (301) in a bolt mode, the fixing plate (304) is connected with the threaded cabin (302) through the threaded connector (303) in a bolt mode, and the plug-in groove (306) is connected to the inner side of the lower portion of the fixing plate (304) through the hinge base (305) in a hinge mode.

6. The anti-loosening structure for the internal ball screw thread of the automobile steering gear according to claim 4, wherein: steering adjustment mechanism (4) are including cup jointing cabin (401), actuating handle (402), driving gear (403), driven gear (404), lower rotary rod (405), go up rotary rod (406) and knuckle head (407), cup jointing cabin (401) set up the one end inboard of power tube shell (201), the inner of cup jointing cabin (401) is provided with driving gear (403) of connecting driving handle (402) output, just the output meshing of driving gear (403) is connected with driven gear (404), the interior avris of driven gear (404) is provided with lower rotary rod (405), just the output of lower rotary rod (405) is connected with rotary rod (406), the one end of going up rotary rod (406) is provided with hinged joint's knuckle head (407), driven gear (404) possess porous form structure.